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young, about 3 mm
 

regeneration error
  


egg mass
 



 
Noumea varians
(Pease, 1871)
 
Noumea varians
Maximum size:  19 mm.

Identification:  The body of this species is translucent with orange viscera visible through the notum and a broken white stripe down the midline. The margin of the mantle is white with a magenta submarginal line that becomes diffuse anteriorly and posteriorly. The rhinophores and gills are translucent, tipped with orange and magenta. It can be distinguished from Noumea sp. #4 by its orange-tinged notum and broken white mid-dorsal line.

Natural history:  Noumea varians is a moderately rare species found in moderately exposed rocky habitats from 3-30 m (10-98 ft). It is one of several chromodorids that vibrate their gills. The egg mass is pale yellow-orange without extracapsular yolk.

Distribution:  Maui and Oahu: widely distributed in the Indo-Pacific.

Taxonomic notes:  This species was listed as Thorunna gloriosa (Bergh, 1874) in Bertsch and Johnson, 1981 (bottom photo). It was first recorded in Hawaii at Magic Island, Oahu by Scott Johnson on Nov. 14, 1977. The name means variable.

Photo:  PF: 7 mm: Makena, Maui; June 6, 1996.

Observations and comments:

Note 1:  ( )
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